5^2+15^2=x^2

Lösung

5^{2} + 1 5^{2} = x^{2}

x = 510, x = - 510

Dezimale

x = 15.81138 \dots, x = - 15.81138 \dots

Schritte zur Lösung

5^{2} + 1 5^{2} = x^{2}

Tausche die Seiten

x^{2} = 5^{2} + 1 5^{2}

Vereinfache

5^{2} + 1 5^{2} : 250

Für

x^{2} = f (a)

sind die Lösungen

x = f (a), - f (a)

x = 250, x = - 250

250 = 510

- 250 = - 510

x = 510, x = - 510

4.9 t^{2} - 5.2 t - 122 = 0

0 = x^{2} + 3 x - 3

0 = x^{2} + 3 x + 5

2 - 3 x^{2} - 12 x = - 5 x

3 x^{2} = 10 x - 3